What is a maintenance-free battery?
A maintenance-free battery is designed to capture and return evaporated fluids to the battery reservoir. Water may not be added because the battery cells are sealed closed.
Do I need to charge my hybrid battery?
The gasoline engine of the vehicle charges the hybrid battery as needed. This hybrid battery does not require external charging from an outside source such as an electric vehicle. The hybrid system automatically recharges the traction battery when the remaining power is reduced